.px2rem(@name, @px) {
    @{name}: @px / 75 * 1rem;
}
body {
    background: #ccc;
}
.top {
    width: 100%;
    background: #03b5bf;
    color: #fff;
    display: flex;
    .px2rem(line-height,55);
    .sp {
        color: #fff;
        flex: 1;
        .px2rem(font-size,40);
    }
    h2 {
        .px2rem(font-size,40)
    }
}
.box {
    background: #fff;
    width: 100%;
    .nav {
        width: 100%;
        display: flex;
        li {
            list-style: none;
            float: left;
            .px2rem(line-height,60);
            .px2rem(font-size,30);
            flex: 1;
            text-align: center;
        }
    }
}
.active {
    color: #924;
    border-bottom: 3px solid #924;
}

.hd_list{
    width: 100%;
    .cf{
        .ings{
            margin-top: 3%;
        }
        .ing{
            background: #fff;
            display: flex;
            .over_span{
                width: 20%;
                img{
                    width: 60%;
                    border-radius:50px;
                    margin-left: 30%;
                    border: 1px solid #ccc;
                }
            }
        }
        .over_span_right{
            width: 80%;
            margin-top: 1%;
            font-size: 12px;
            h4{
                font-size: 16px;
            }
            h5{
                padding-top: 2%;
                color: red;
            }
            h6{
                padding-top: 2%;
                .jieshu{
                    padding-left: 5%;
                }
            }
        }
    }
}